Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.KeyParameter

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        }

        _forEncryption = forEncryption;
        _initialised = true;

        KeyParameter       p = (KeyParameter)params;

        setKey(p.getKey());
    }
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        }

        _forEncryption = forEncryption;
        _initialised = true;

        KeyParameter       p = (KeyParameter)params;

        setKey(p.getKey());
    }
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    {
        keySize = keySize / 8;

        byte[]  dKey = generateDerivedKey(KEY_MATERIAL, keySize);

        return new KeyParameter(dKey, 0, keySize);
    }
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        byte[]  dKey = generateDerivedKey(KEY_MATERIAL, keySize);

        byte[]  iv = generateDerivedKey(IV_MATERIAL, ivSize);

        return new ParametersWithIV(new KeyParameter(dKey, 0, keySize), iv, 0, ivSize);
    }
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    {
        keySize = keySize / 8;

        byte[]  dKey = generateDerivedKey(MAC_MATERIAL, keySize);

        return new KeyParameter(dKey, 0, keySize);
    }
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        }
       
        _forEncryption = forEncryption;
        _initialised = true;
       
        KeyParameter       p = (KeyParameter)params;
       
        setKey(p.getKey());
    }
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        byte[]  iBuf,
        byte[]  out,
        int     outOff)
    {
        byte[]              state = new byte[hMac.getMacSize()];
        CipherParameters    param = new KeyParameter(P);

        hMac.init(param);

        if (S != null)
        {
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    {
        keySize = keySize / 8;

        byte[]  dKey = generateDerivedKey(keySize);

        return new KeyParameter(dKey, 0, keySize);
    }
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        keySize = keySize / 8;
        ivSize = ivSize / 8;

        byte[]  dKey = generateDerivedKey(keySize + ivSize);

        return new ParametersWithIV(new KeyParameter(dKey, 0, keySize), dKey, keySize, ivSize);
    }
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        int     inLen,
        byte[]  z)
        throws InvalidCipherTextException
    {
        byte[]          M = null;
        KeyParameter    macKey = null;
        KDFParameters   kParam = new KDFParameters(z, param.getDerivationV());
        int             macKeySize = param.getMacKeySize();

        kdf.init(kParam);

        inLen -= mac.getMacSize();
   
        if (cipher == null)     // stream mode
        {
            byte[] buf = generateKdfBytes(kParam, inLen + (macKeySize / 8));

            M = new byte[inLen];

            for (int i = 0; i != inLen; i++)
            {
                M[i] = (byte)(in_enc[inOff + i] ^ buf[i]);
            }

            macKey = new KeyParameter(buf, inLen, (macKeySize / 8));
        }
        else
        {
            int    cipherKeySize = ((IESWithCipherParameters)param).getCipherKeySize();
            byte[] buf = generateKdfBytes(kParam, (cipherKeySize / 8) + (macKeySize / 8));

            cipher.init(false, new KeyParameter(buf, 0, (cipherKeySize / 8)));

            byte[] tmp = new byte[cipher.getOutputSize(inLen)];

            int len = cipher.processBytes(in_enc, inOff, inLen, tmp, 0);

            len += cipher.doFinal(tmp, len);

            M = new byte[len];

            System.arraycopy(tmp, 0, M, 0, len);

            macKey = new KeyParameter(buf, (cipherKeySize / 8), (macKeySize / 8));
        }

        byte[]  macIV = param.getEncodingV();

        mac.init(macKey);
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